Abdominal mass
An abdominal mass is a localized swelling or enlargement in one area of the abdomen.

Abdominal bloating
Abdominal bloating is a condition in which the abdomen feels full and tight -- usually caused by excessive intestinal gas.

Abdominal pain
Abdominal pain

Back pain - low
Back pain - low

Swollen glands
Swollen glands

Metastasis
Metastasis is the movement or spreading of cancer cells from one organ or tissue to another. Cancer cells usually spread via the bloodstream, or .

Malignancy
Malignancy

Benign
Benign

Cancer - resources
Cancer - resources

Smoking and smokeless tobacco
Smoking and smokeless tobacco

Smoking hazards
Smoking hazards

Smoking - tips on how to quit
Smoking - tips on how to quit

Tumor
A tumor is a growth of tissue that forms an abnormal mass. Tumors generally provide no useful function and grow at the expense of healthy tissues.

Cancer
Cancer

Thyroid cancer
Thyroid cancer is a malignancy (cancerous growth) of the thyroid gland.

Mediastinal tumor
Mediastinal tumors form in the cavity that separates the lungs. This cavity contains the heart, large blood vessels, trachea, thymus, and connective tissues.

Leukoplakia
Leukoplakia is a precancerous lesion that develops on the tongue or the inside of the cheek as a response to irritation. Occasionally, leukoplakia patches develop on the female external genitalia.

Leiomyosarcoma
A leiomyosarcoma is a rare malignant consisting of smooth muscle cells and small cell sarcoma tumor.

Multiple myeloma
Multiple myeloma is a of the plasma cells in bone marrow.

Medullary carcinoma of thyroid
Medullary carcinoma of the thyroid is a of the thyroid gland arising from the C cell, which secretes the hormone calcitonin.

Anaplastic thyroid cancer
Anaplastic thyroid carcinoma is an aggressive form of cancer of the thyroid gland.

Carcinoid syndrome
This group of symptoms is typically associated with (see also ).

Thyroid cancer - papillary carcinoma
Papillary carcinoma of the thyroid is the most common cancer of the thyroid gland. Other types of include: , , , and lymphoma of the thyroid.